Iron Curtain: The term "Iron Curtain" was used to describe the division between Western Europe and Eastern Europe during the Cold War, symbolizing the separation caused by Soviet aggression.
Containment: Containment was a policy adopted by the United States during the Cold War to prevent further expansion of Soviet influence through military, economic, and political means.
Marshall Plan: The Marshall Plan was an initiative proposed by U.S. Secretary of State George Marshall that provided economic aid to European countries affected by World War II in order to counter Soviet influence and promote stability.